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In the solution of the equation 5 minus 3X equals 2X +9, 3X is added to the equation 1st. Which of the following should be done next? Add -9, add -5, Add -2X
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Dec 14, 2017
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In the solution of the equation 5 minus 3X equals 2X +9, 3X is added to the equation 1st. Which of the following should be done next? Add -9, add -5, Add -2X
Mathematics
high-school
Johannes Schacht
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Johannes Schacht
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well it should be add -9
5-3x=2x+9
+3x=+3x
5=5x+9
+-9 +-9
-4=5x
x=4/5
Jose M Lechon
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Dec 15, 2017
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Jose M Lechon
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You could do any of those, but I would do Add -9 then the equation is -4=5x then divide everything by 5 then x = -.8
John Fawcett
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Dec 19, 2017
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John Fawcett
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